gistfile1.txt

  if not cluster_id:
        #create a unique cluster_id first
        cluster_id = ''.join(random.choice('0123456789ABCDEF') for i in range(20))
        config.set('vmware', 'cluster_id', cluster_id)
        for line in fileinput.input(vmware_ini_path, inplace=True):
            if line.startswith('cluster_id'):
                print "cluster_id=" + str(cluster_id)
            else:
                print line,